128832687

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:889

約数の個数: 40

約数和(自身を含む): 201374976

約数和(自身を除く): 72542289

約数列:

[1, 3, 9, 27, 43, 47, 81, 129, 141, 387, 423, 787, 1161, 1269, 2021, 2361, 3483, 3807, 6063, 7083, 18189, 21249, 33841, 36989, 54567, 63747, 101523, 110967, 163701, 304569, 332901, 913707, 998703, 1590527, 2741121, 2996109, 4771581, 14314743, 42944229, 128832687]

約数ペア:

[(1, 128832687), (3, 42944229), (9, 14314743), (27, 4771581), (43, 2996109), (47, 2741121), (81, 1590527), (129, 998703), (141, 913707), (387, 332901), (423, 304569), (787, 163701), (1161, 110967), (1269, 101523), (2021, 63747), (2361, 54567), (3483, 36989), (3807, 33841), (6063, 21249), (7083, 18189)]